Create app.py
Browse files
app.py
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from flask import Flask, request, render_template, send_file
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import markdown
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from weasyprint import HTML
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import os
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from io import BytesIO
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app = Flask(__name__)
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# Ensure a temporary directory exists for saving files
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os.makedirs("temp", exist_ok=True)
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@app.route("/", methods=["GET", "POST"])
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def index():
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if request.method == "POST":
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markdown_text = request.form.get("markdown_text")
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if markdown_text:
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# Convert Markdown to HTML
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html_content = markdown.markdown(markdown_text, extensions=['fenced_code', 'tables'])
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# Prepare HTML with basic styling
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full_html = f"""
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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body {{ font-family: Arial, sans-serif; padding: 20px; }}
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pre, code {{ background: #f4f4f4; padding: 10px; border-radius: 5px; }}
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table {{ border-collapse: collapse; width: 100%; }}
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th, td {{ border: 1px solid #ddd; padding: 8px; text-align: left; }}
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th {{ background-color: #f2f2f2; }}
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</style>
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</head>
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<body>
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{html_content}
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</body>
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</html>
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"""
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# Save HTML to a temporary file
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html_path = "temp/output.html"
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with open(html_path, "w") as f:
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f.write(full_html)
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# Convert HTML to PNG using WeasyPrint
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png_io = BytesIO()
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HTML(string=full_html).write_png(png_io)
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png_io.seek(0)
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# Save PNG to a temporary file
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png_path = "temp/output.png"
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with open(png_path, "wb") as f:
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f.write(png_io.getvalue())
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# Determine which file to download based on user selection
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download_type = request.form.get("download_type")
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if download_type == "html":
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return send_file(
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html_path,
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as_attachment=True,
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download_name="output.html",
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mimetype="text/html"
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)
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else: # Default to PNG
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return send_file(
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png_path,
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as_attachment=True,
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download_name="output.png",
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mimetype="image/png"
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)
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return render_template_string("""
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<!DOCTYPE html>
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<html>
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<head>
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<title>Markdown to PNG/HTML Converter</title>
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<style>
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body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; }
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textarea { width: 100%; height: 300px; margin-bottom: 10px; }
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select, button { padding: 10px; margin: 5px; }
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</style>
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</head>
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<body>
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<h1>Markdown to PNG/HTML Converter</h1>
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<form method="post">
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<textarea name="markdown_text" placeholder="Paste your Markdown here..."></textarea><br>
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<label for="download_type">Download as:</label>
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<select name="download_type">
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<option value="png">PNG</option>
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<option value="html">HTML</option>
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</select><br>
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<button type="submit">Convert and Download</button>
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</form>
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</body>
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</html>
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""")
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if __name__ == "__main__":
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app.run(debug=True)
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